Home / 31,519.68-43,496.64-17,373.84

Finding the Fourth Proportional to 31,519.68, 43,496.64 and 17,373.84

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Solution

The fourth proportional to 31,519.68, 43,496.64 and 17,373.84 is: 23,975.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,519.68 : 43,496.64 = 17,373.84 : x
  2. Step 2: Convert to fraction form
    31,519.68/43,496.64 = 17,373.84/x
  3. Step 3: Cross multiply
    31,519.68x = 43,496.64 × 17,373.84
  4. Step 4: Simplify right side
    31,519.68x = 755,703,663.90
  5. Step 5: Solve for x
    x = 755,703,663.90/31,519.68
  6. Step 6: Final answer
    x = 23,975.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.